| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 826 |
88.7%
|
| 2 | Mild | 62 |
6.7%
|
| 3 | Moderate | 21 |
2.3%
|
| 4 | Severe | 17 |
1.8%
|
| 5 | Extreme | 5 |
0.5%
|
| Sysmiss | 3007 |